Github user mktal commented on a diff in the pull request:

    https://github.com/apache/incubator-madlib/pull/56#discussion_r72507222
  
    --- Diff: src/ports/postgres/modules/utilities/path.py_in ---
    @@ -40,7 +40,7 @@ m4_changequote(`<!', `!>')
     
     def path(schema_madlib, source_table, output_table, partition_expr,
              order_expr, pattern_expr, symbol_expr, agg_func,
    -         persist_rows=None, **kwargs):
    +         persist_rows=None, overlapping_patterns=None, **kwargs):
    --- End diff --
    
    I don't see why setting the default value to False is better. As you said, the user can still explicitly set to NULL and we still need to account for that case.


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